colour.notation.munsell_value_ASTMD1535#

colour.notation.munsell_value_ASTMD1535(Y: ArrayLike) NDArrayFloat[source]#

Return the Munsell value \(V\) of given luminance \(Y\) using an inverse lookup table from ASTM D1535-08e1 method.

Parameters:

Y (ArrayLike) – luminance \(Y\)

Returns:

Munsell value \(V\).

Return type:

np.float or numpy.NDArrayFloat

Notes

Domain

Scale - Reference

Scale - 1

Y

[0, 100]

[0, 1]

Range

Scale - Reference

Scale - 1

V

[0, 10]

[0, 1]

  • The Munsell value* computation with ASTM D1535-08e1 method is only defined for domain [0, 100].

References

[ASTMInternational89]

Examples

>>> munsell_value_ASTMD1535(12.23634268)  
4.0824437...